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L5420 — Immediate post surgical or early fitting, application of initial rigid dressing, including fitting, alignment and suspension and one cast change 'ak' or knee disarticulation

HCPCS Level II L-code · short descriptor: “Postop dsg & 1 cast chg ak/d”

Code system
HCPCS Level II
Family
L — Orthotics & prosthetics
Medicare coverage status
Carrier judgment — coverage decided by the DME MAC
DMEPOS payment category
Prosthetics & orthotics
Prior authorization
Not on Medicare required-PA list
Status
Active (April 2026 HCPCS)

Prior authorization

Not on the Medicare required-PA list as of the January 13, 2026 update (74 items). Medicare Advantage and commercial plans set their own prior-authorization rules for this code — verify per plan before delivery.

L5420 Medicare fee schedule (April 2026)

Base (no modifier) Prosthetics & orthotics

Medicare allowable ranges from $1329.43 to $2689.16 depending on state and rural status.

Former-CBA payment limits: ceiling $2481.17 · floor $1860.88

StateNon-ruralRural
AK$2514.87
AL$2043.12
AR$2235.96
AZ$2481.17
CA$2481.17
CO$2092.85
CT$1860.88
DC$1860.88
DE$1860.88
FL$2043.12
GA$2043.12
HI$2689.16
IA$2232.64
ID$1977.47
IL$2481.17
IN$2481.17
KS$2232.64
KY$2043.12
LA$2235.96
MA$1860.88
MD$1860.88
ME$1860.88
MI$2481.17
MN$2481.17
MO$2232.64
MS$2043.12
MT$2092.85
NC$2043.12
ND$2092.85
NE$2232.64
NH$1860.88
NJ$1860.88
NM$2235.96
NV$2481.17
NY$1860.88
OH$2481.17
OK$2235.96
OR$1977.47
PA$1860.88
PR$1329.43
RI$1860.88
SC$2043.12
SD$2092.85
TN$2043.12
TX$2235.96
UT$2092.85
VA$1860.88
VI$1860.88
VT$1860.88
WA$1977.47
WI$2481.17
WV$1860.88
WY$2092.85
Amounts are the Medicare DMEPOS fee-schedule allowables effective April 2026. Medicare typically pays 80% of the allowable after the Part B deductible; the patient owes 20%. A 2% sequestration reduction applies to the Medicare share. Former competitive-bidding-area adjustments and non-continental rates can differ — verify with your DME MAC.

Common denial codes to watch

Related L-codes

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